Which option is a physical property of matter? A. acidity

B. reactivity

C. boiling point

D. flammability

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Fred is studying a substance that is made out of only one element. this means that